Home / 208,565.58-287,613.26-157,006.16

Finding the Fourth Proportional to 208,565.58, 287,613.26 and 157,006.16

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Solution

The fourth proportional to 208,565.58, 287,613.26 and 157,006.16 is: 216,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,565.58 : 287,613.26 = 157,006.16 : x
  2. Step 2: Convert to fraction form
    208,565.58/287,613.26 = 157,006.16/x
  3. Step 3: Cross multiply
    208,565.58x = 287,613.26 × 157,006.16
  4. Step 4: Simplify right side
    208,565.58x = 45,157,053,517.68
  5. Step 5: Solve for x
    x = 45,157,053,517.68/208,565.58
  6. Step 6: Final answer
    x = 216,512.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.